JP2022061655A - Pressure-contact structure, electric wire with terminal, and method of manufacturing the same - Google Patents

Pressure-contact structure, electric wire with terminal, and method of manufacturing the same Download PDF

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JP2022061655A
JP2022061655A JP2020169718A JP2020169718A JP2022061655A JP 2022061655 A JP2022061655 A JP 2022061655A JP 2020169718 A JP2020169718 A JP 2020169718A JP 2020169718 A JP2020169718 A JP 2020169718A JP 2022061655 A JP2022061655 A JP 2022061655A
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core wire
pressure
wire
pressure contact
end faces
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JP7155218B2 (en
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直樹 伊藤
Naoki Ito
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Yazaki Corp
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Yazaki Corp
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Priority to JP2020169718A priority Critical patent/JP7155218B2/en
Priority to CN202111140297.8A priority patent/CN114300873B/en
Priority to US17/489,699 priority patent/US11735836B2/en
Priority to DE102021125930.4A priority patent/DE102021125930A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/2466—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the contact members having a channel-shaped part, the opposite sidewalls of which comprise insulation-cutting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/32—Wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B23K2101/38—Conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

To suppress electric resistance from increasing.SOLUTION: A press-contact structure comprises: a core wire exposure part 11X as a peeled part of a core wire 11 consisting of a plurality of strands 11a of an electric wire 10; and at least one set of a pair of press-contact pieces 43, 43 which are provided with a core wire press-contact part 43A made of a conductive material and having press-contact end faces 43a, 43a arranged opposite at an interval, and have the core wire exposure part 11X pressed in between the respective press-contact end faces 43a, 43a. The core wire press-contact part 43A is so formed to bring all strands 11a of the core wire exposure part 11X into contact with the press-contact end faces 43a, 43a in an arrayed state between the respective press-contact end faces 43a, 43a.SELECTED DRAWING: Figure 4

Description

本発明は、圧接構造、端子付き電線及びその製造方法に関する。 The present invention relates to a pressure welding structure, an electric wire with a terminal, and a method for manufacturing the same.

従来、端子付き電線においては、電線と端子金具とを物理的且つ電気的に接続させるための接続構造として、端子金具における一対の圧接片でその間に電線の芯線を挟み込ませる圧接構造が知られている。この種の圧接構造については、例えば、下記の特許文献１及び２に開示されている。 Conventionally, in an electric wire with a terminal, as a connection structure for physically and electrically connecting the electric wire and the terminal metal fitting, a pressure welding structure in which the core wire of the electric wire is sandwiched between a pair of pressure welding pieces in the terminal metal fitting is known. There is. This type of pressure welding structure is disclosed in, for example, Patent Documents 1 and 2 below.

実開昭６１－１１２５７５号公報Jitsukaisho 61-11275 Gazette 特開２０００－０５８１４８号公報Japanese Unexamined Patent Publication No. 2000-058148

ところで、圧接構造においては、電線の芯線が複数本の素線の集合体である場合、素線の本数が多いほど、圧接片に直接接触することのできない素線の存在が顕著になり、この非接触状態の素線が周囲の素線を介して圧接片に電気接続されることになる。つまり、この圧接構造においては、その周囲の素線を介して非接触状態の素線と圧接片との間で電流が流れることになるので、電気抵抗の増加を招いてしまう虞がある。 By the way, in the pressure welding structure, when the core wire of the electric wire is an aggregate of a plurality of strands, the larger the number of strands, the more remarkable the presence of the strands that cannot be in direct contact with the pressure welded piece. The non-contact wire is electrically connected to the pressure contact piece via the surrounding wire. That is, in this pressure-welded structure, a current flows between the non-contact wire and the pressure-welded piece via the wire around the pressure-welded wire, which may lead to an increase in electrical resistance.

そこで、本発明は、電気抵抗の増加を抑えることが可能な圧接構造、端子付き電線及びその製造方法を提供することを、その目的とする。 Therefore, an object of the present invention is to provide a pressure welding structure capable of suppressing an increase in electrical resistance, an electric wire with a terminal, and a method for manufacturing the same.

上記目的を達成する為、本発明に係る圧接構造は、電線における複数本の素線から成る芯線の剥き出し部分である芯線露出部と、導電性材料から成り、圧接端面同士が間隔を空けて対向配置された芯線圧接部が設けられ、かつ、それぞれの前記圧接端面の間に前記芯線露出部を圧入させた少なくとも１組の一対の圧接片と、を備え、前記芯線圧接部は、それぞれの前記圧接端面の間にて、前記芯線露出部の全ての前記素線を整列状態で前記圧接端面に接触させるものとして形成されることを特徴としている。 In order to achieve the above object, the pressure welding structure according to the present invention is composed of a core wire exposed portion which is an exposed portion of a core wire composed of a plurality of strands in an electric wire and a conductive material, and the pressure welding end faces face each other with a gap. The arranged core wire pressure contact portion is provided, and at least one pair of pressure contact pieces in which the core wire exposed portion is press-fitted between the respective pressure contact end faces is provided, and the core wire pressure contact portion is each said. It is characterized in that all the strands of the exposed core wire are formed to be in contact with the pressure contact end surface in an aligned state between the pressure contact end surfaces.

ここで、前記一対の圧接片は、前記圧接端面同士よりも広い間隔を空けて整列端面同士が対向配置された素線整列部を有し、前記素線整列部は、それぞれの前記整列端面の間にて、前記芯線露出部の全ての前記素線を整列させたまま前記芯線圧接部側に移動させ得るものとして形成されることが望ましい。 Here, the pair of pressure contact pieces have a wire alignment portion in which the alignment end faces are arranged facing each other with a wider interval than the pressure contact end faces thereof, and the wire alignment portion is a line alignment portion of each of the alignment end faces. In the meantime, it is desirable that the core wire exposed portion is formed so that all the strands can be moved to the core wire pressure contact portion side while being aligned.

また、前記素線整列部は、それぞれの前記整列端面の間にて、前記芯線露出部の全ての前記素線を前記芯線圧接部での前記整列状態と同じ配列順に整えたまま前記芯線圧接部側に移動させ得るものとして形成されることが望ましい。 Further, in the wire alignment portion, the core wire pressure contact portion is arranged between the alignment end faces in the same arrangement order as the alignment state of the core wire pressure contact portion with all the strands of the core wire exposed portion. It is desirable to be formed as something that can be moved to the side.

また、それぞれの前記圧接端面は、その間隔が圧入前の円柱状の前記素線の直径よりも広く且つ前記直径の２倍よりも狭く形成され、それぞれの前記整列端面は、その間隔が前記直径の２倍よりも広く且つ前記直径の３倍よりも狭く形成されることが望ましい。 Further, each of the pressure-welded end faces is formed so that the distance between them is wider than the diameter of the cylindrical wire before press-fitting and narrower than twice the diameter, and the distance between the aligned end faces is the diameter. It is desirable that it is formed wider than twice the diameter and narrower than three times the diameter.

また、上記目的を達成する為、本発明に係る端子付き電線は、複数本の素線から成る芯線及び前記芯線における剥き出しの芯線露出部以外を覆う被覆が設けられた電線と、圧接端面同士が間隔を空けて対向配置された芯線圧接部が設けられた一対の圧接片を少なくとも１組有し、前記一対の圧接片におけるそれぞれの前記圧接端面の間に前記芯線露出部を圧入させた端子金具と、を備え、前記芯線圧接部は、それぞれの前記圧接端面の間にて、前記芯線露出部の全ての前記素線を整列状態で前記圧接端面に接触させるものとして形成されることを特徴としている。 Further, in order to achieve the above object, the electric wire with a terminal according to the present invention includes a core wire composed of a plurality of strands and a wire having a coating covering other than the exposed core wire exposed portion of the core wire, and the pressure contact end faces of each other. A terminal fitting having at least one set of a pair of pressure contact pieces provided with core wire pressure contact portions arranged so as to face each other at intervals, and the core wire exposed portion press-fitted between the pressure contact end faces of the pair of pressure contact pieces. The core wire pressure contact portion is formed so as to bring all the strands of the core wire exposed portion into contact with the pressure contact end surface in an aligned state between the respective pressure contact end surfaces. There is.

また、上記目的を達成する為、本発明に係る端子付き電線の製造方法は、圧接端面同士が間隔を空けて対向配置された芯線圧接部及び前記圧接端面同士よりも広い間隔を空けて整列端面同士が対向配置された素線整列部が設けられた一対の圧接片を少なくとも１組有する端子金具に対して、電線における複数本の素線から成る芯線の剥き出し部分である芯線露出部を組み付ける電線組付け工程を有し、前記電線組付け工程は、それぞれの前記整列端面の間に前記芯線露出部の全ての前記素線を整列させながら挿し入れて、その挿入時の整列状態を保ったまま前記芯線露出部の全ての前記素線をそれぞれの前記整列端面の間で前記芯線圧接部側に移動させる素線整列工程と、前記素線整列部を通過した前記芯線露出部をそれぞれの前記圧接端面の間に圧入して、それぞれの前記圧接端面の間にて前記芯線露出部の全ての前記素線を整列状態で前記圧接端面に接触させる芯線圧接工程と、を有することを特徴としている。 Further, in order to achieve the above object, in the method for manufacturing an electric wire with a terminal according to the present invention, the core wire pressure-welded portions in which the pressure-welded end faces are arranged facing each other with a space between them and the aligned end faces at a wider space than the pressure-welded end faces. An electric wire for assembling an exposed core wire portion, which is an exposed portion of a core wire composed of a plurality of strands in an electric wire, to a terminal fitting having at least one set of a pair of pressure contact pieces provided with strand alignment portions arranged so as to face each other. It has an assembly step, and in the wire assembly step, all the strands of the core wire exposed portion are inserted while being aligned between the aligned end faces, and the aligned state at the time of insertion is maintained. The wire alignment step of moving all the strands of the core wire exposed portion to the core wire pressure contact portion side between the respective alignment end faces, and the core wire exposed portion passing through the strand alignment portion are pressed against each other. It is characterized by having a core wire press-fitting step of press-fitting between the end faces and bringing all the strands of the core wire exposed portion into contact with the press-welding end face in an aligned state between the respective press-welding end faces.

本発明に係る圧接構造は、芯線露出部を圧入させる一対の圧接片に、それぞれの圧接端面の間にて芯線露出部の全ての素線を整列状態で圧接端面に接触させる芯線圧接部を設けている。このため、この圧接構造は、圧接端面に接触していない素線を有するものと比較して、電気抵抗を低下させることができる。 In the pressure contact structure according to the present invention, a core wire pressure contact portion is provided on a pair of pressure contact pieces for press-fitting the core wire exposed portion so that all the strands of the core wire exposed portion are brought into contact with the pressure contact end surface in an aligned state between the respective pressure contact end faces. ing. Therefore, this pressure contact structure can reduce the electrical resistance as compared with the one having a wire that is not in contact with the pressure contact end surface.

図１は、実施形態の端子付き電線を示す斜視図である。FIG. 1 is a perspective view showing an electric wire with a terminal according to an embodiment. 図２は、実施形態の端子金具を示す斜視図である。FIG. 2 is a perspective view showing the terminal fittings of the embodiment. 図３は、図１のＸ－Ｘ線断面に相当する図であり、実施形態における組付け前の電線と端子金具を示している。FIG. 3 is a diagram corresponding to the cross section of the XX line of FIG. 1, and shows the electric wire and the terminal fitting before assembly in the embodiment. 図４は、図１のＸ－Ｘ線断面に相当する図であり、実施形態における圧接構造と共に電線組付け工程を示している。FIG. 4 is a diagram corresponding to the X-ray cross section of FIG. 1, and shows the electric wire assembling process together with the pressure welding structure in the embodiment. 図５は、図１のＸ－Ｘ線断面に相当する図であり、変形形態における素線事前整列工程を経た電線を組付け前の端子金具と共に示している。FIG. 5 is a diagram corresponding to the cross section of the XX line of FIG. 1, and shows the electric wire that has undergone the wire pre-alignment step in the modified form together with the terminal fitting before assembly. 図６は、図１のＸ－Ｘ線断面に相当する図であり、実施形態の圧接構造と共に変形形態における電線組付け工程を示している。FIG. 6 is a diagram corresponding to the X-ray cross section of FIG. 1, and shows the electric wire assembling process in the modified form together with the pressure welding structure of the embodiment.

以下に、本発明に係る圧接構造、端子付き電線及びその製造方法の実施形態を図面に基づいて詳細に説明する。尚、この実施形態によりこの発明が限定されるものではない。 Hereinafter, embodiments of a pressure welding structure, an electric wire with terminals, and a method for manufacturing the same according to the present invention will be described in detail with reference to the drawings. The present invention is not limited to this embodiment.

［実施形態］
本発明に係る圧接構造、端子付き電線及びその製造方法の実施形態の１つを図１から図６に基づいて説明する。 [Embodiment]
One of the embodiments of the pressure welding structure, the electric wire with terminals, and the method for manufacturing the same according to the present invention will be described with reference to FIGS. 1 to 6.

図１の符号１は、本実施形態の端子付き電線を示す。この端子付き電線１は、後述する製造方法を用いて作り出される。 Reference numeral 1 in FIG. 1 indicates an electric wire with a terminal according to this embodiment. The electric wire 1 with a terminal is produced by using a manufacturing method described later.

端子付き電線１は、互いに物理的且つ電気的に接続された電線１０と端子金具２０とを備える（図１から図４）。電線１０は、後述するように、複数本の素線１１ａから成る芯線１１の剥き出し部分である芯線露出部１１Ｘを有している。そして、端子金具２０は、後述するように、圧接端面４３ａ，４３ａ同士が間隔を空けて対向配置された芯線圧接部４３Ａ及び圧接端面４３ａ，４３ａ同士よりも広い間隔を空けて整列端面４３ｂ，４３ｂ同士が対向配置された素線整列部４３Ｂが設けられ、かつ、それぞれの圧接端面４３ａ，４３ａの間に芯線露出部１１Ｘを圧入させた少なくとも１組の一対の圧接片４３，４３を有している。端子付き電線１は、電線１０における１箇所の芯線露出部１１Ｘと当該芯線露出部１１Ｘが圧入された少なくとも１組の一対の圧接片４３，４３とによる圧接構造を備えている。そして、この端子付き電線１は、その圧接構造によって、電線１０と端子金具２０とを物理的且つ電気的に接続させる。この端子付き電線１においては、電線１０の１箇所の芯線露出部１１Ｘに対して１つの端子金具２０を組み付ける。 The electric wire 1 with a terminal includes an electric wire 10 physically and electrically connected to each other and a terminal fitting 20 (FIGS. 1 to 4). As will be described later, the electric wire 10 has a core wire exposed portion 11X which is an exposed portion of the core wire 11 composed of a plurality of strands 11a. Then, as will be described later, the terminal fittings 20 are aligned with the core wire pressure contact portions 43A and the pressure contact end surfaces 43a, 43a, which are arranged so as to face each other with a gap between the pressure contact end surfaces 43a, 43a. A wire alignment portion 43B arranged so as to face each other is provided, and at least one pair of pressure contact pieces 43, 43 in which the core wire exposed portion 11X is press-fitted between the pressure contact end surfaces 43a, 43a are provided. There is. The electric wire 1 with terminals has a pressure welding structure consisting of one core wire exposed portion 11X in the electric wire 10 and at least one pair of pressure welding pieces 43, 43 into which the core wire exposed portion 11X is press-fitted. The electric wire 1 with a terminal physically and electrically connects the electric wire 10 and the terminal fitting 20 by its pressure welding structure. In the electric wire 1 with terminals, one terminal metal fitting 20 is attached to one core wire exposed portion 11X of the electric wire 10.

端子付き電線１は、電線１０を１本だけ具備している場合、この１本の電線１０の芯線露出部１１Ｘに端子金具２０が組み付けられる。例えば、この場合の端子付き電線１は、１本の電線１０に芯線露出部１１Ｘが１箇所だけ設けられているならば、その１箇所の芯線露出部１１Ｘに端子金具２０が組み付けられ、１本の電線１０に芯線露出部１１Ｘが複数箇所設けられているならば、その複数箇所の芯線露出部１１Ｘの内の少なくとも１箇所に端子金具２０が組み付けられる。これらの端子付き電線１においては、端子金具２０が組み付けられる芯線露出部１１Ｘの数だけ圧接構造が設けられている。後述する具体例においては、これらの端子付き電線１に適用される端子金具２０を例示している。 When the electric wire 1 with a terminal includes only one electric wire 10, the terminal metal fitting 20 is assembled to the core wire exposed portion 11X of the one electric wire 10. For example, in the electric wire 1 with terminals in this case, if one electric wire 10 is provided with only one core wire exposed portion 11X, the terminal metal fitting 20 is assembled to the one core wire exposed portion 11X and one wire is provided. If the electric wire 10 is provided with a plurality of exposed core wire portions 11X, the terminal fitting 20 is assembled to at least one of the exposed core wire portions 11X at the plurality of locations. In these terminal-equipped electric wires 1, pressure welding structures are provided as many as the number of core wire exposed portions 11X to which the terminal metal fittings 20 are assembled. In the specific example described later, the terminal fitting 20 applied to the electric wire 1 with a terminal is illustrated.

一方、端子付き電線１は、電線１０を複数本具備している場合、それぞれの電線１０が１つ又は複数の端子金具２０を介して接続される。例えば、この場合の端子付き電線１は、複数本の電線１０におけるそれぞれの１箇所の芯線露出部１１Ｘを１つの端子金具２０における芯線露出部１１Ｘ毎の少なくとも１組の一対の圧接片４３，４３に圧入させることによって、このジョイント端子としての端子金具２０を介して複数の電線１０を互いに電気接続させる。この端子付き電線１においては、電線１０毎に圧接構造が設けられている。また、例えば、この場合の端子付き電線１は、それぞれの電線１０の間にジョイント端子としての端子金具２０を１つずつ介在させ、その端子金具２０毎に、少なくとも２本の電線１０におけるそれぞれの１箇所の芯線露出部１１Ｘを１つの端子金具２０における芯線露出部１１Ｘ毎の少なくとも１組の一対の圧接片４３，４３に圧入させることによって、全ての電線１０を互いに電気接続させる。この端子付き電線１においては、端子金具２０が組み付けられる芯線露出部１１Ｘ毎に圧接構造が設けられている。 On the other hand, when the electric wire 1 with terminals includes a plurality of electric wires 10, each electric wire 10 is connected via one or a plurality of terminal fittings 20. For example, in the electric wire 1 with a terminal in this case, at least one pair of pressure contact pieces 43, 43 for each core wire exposed portion 11X in one terminal fitting 20 with the core wire exposed portion 11X in each of the plurality of electric wires 10 A plurality of electric wires 10 are electrically connected to each other via the terminal fitting 20 as the joint terminal. In the electric wire 1 with terminals, a pressure welding structure is provided for each electric wire 10. Further, for example, in the electric wire 1 with a terminal in this case, one terminal fitting 20 as a joint terminal is interposed between the respective electric wires 10, and for each of the terminal fittings 20, each of the at least two electric wires 10 is used. All the electric wires 10 are electrically connected to each other by press-fitting one core wire exposed portion 11X into at least one pair of pressure contact pieces 43, 43 for each core wire exposed portion 11X in one terminal fitting 20. In the electric wire 1 with terminals, a pressure welding structure is provided for each core wire exposed portion 11X to which the terminal metal fitting 20 is assembled.

電線１０は、複数本の素線１１ａから成る芯線１１と、この芯線１１における剥き出しの芯線露出部１１Ｘ以外を覆う被覆１２と、を備える（図１、図５及び図６）。この電線１０は、その端末又は両端部の間の一部分に、被覆１２が剥ぎ取られて剥き出しになった芯線露出部１１Ｘを有している。ここで示す電線１０は、導電性の金属の線材から成る素線１１ａが円柱状に複数本束ねられた芯線１１と、この芯線１１を同心上で外表面側から覆う円筒状の被覆１２と、を備えている。そして、ここで示す電線１０においては、その端末に芯線露出部１１Ｘを有している。 The electric wire 10 includes a core wire 11 composed of a plurality of strands 11a and a coating 12 that covers other than the exposed core wire exposed portion 11X in the core wire 11 (FIGS. 1, 5 and 6). The electric wire 10 has a core wire exposed portion 11X in which the coating 12 is stripped off and exposed in a part between the terminal or both ends. The electric wire 10 shown here includes a core wire 11 in which a plurality of strands 11a made of a conductive metal wire are bundled in a cylindrical shape, and a cylindrical coating 12 that concentrically covers the core wires 11 from the outer surface side. It is equipped with. The electric wire 10 shown here has a core wire exposed portion 11X at the terminal thereof.

端子金具２０は、金属等の導電性材料で成形される。ここで示す端子金具２０は、金属板を母材にしたプレス形成によって形作られている。また、ここで示す端子金具２０は、相手方端子金具の端子接続体（図示略）に対して物理的且つ電気的に接続される端子接続体３０と、電線１０の端末の芯線露出部１１Ｘに対して物理的且つ電気的に接続される芯線接続体４０と、電線１０の端末の被覆１２に対して物理的に接続される被覆接続体５０と、を有する（図１及び図２）。 The terminal fitting 20 is formed of a conductive material such as metal. The terminal fitting 20 shown here is formed by press formation using a metal plate as a base material. Further, the terminal fitting 20 shown here is for the terminal connecting body 30 that is physically and electrically connected to the terminal connecting body (not shown) of the other terminal fitting and the core wire exposed portion 11X of the terminal of the electric wire 10. It has a core wire connecting body 40 that is physically and electrically connected, and a covering connecting body 50 that is physically connected to the covering 12 of the terminal of the electric wire 10 (FIGS. 1 and 2).

例えば、端子金具２０の端子接続体３０と相手方端子金具の端子接続体は、その内の一方が雌端子形状に形成され、かつ、その内の他方が雄端子形状に形成されて、互いに挿入嵌合させられる。この例示では、端子金具２０の端子接続体３０が雌端子形状に形成され、相手方端子金具の端子接続体が雄端子形状に形成されている。 For example, one of the terminal connection body 30 of the terminal fitting 20 and the terminal connection body of the other terminal fitting are formed in a female terminal shape, and the other of them is formed in a male terminal shape and are inserted into each other. Can be combined. In this example, the terminal connection body 30 of the terminal metal fitting 20 is formed in a female terminal shape, and the terminal connection body of the mating terminal metal fitting is formed in a male terminal shape.

芯線接続体４０は、その主体となる部分が、底部４１と、この底部４１の両端から同じ向きに突出させた一対の片部４２，４２と、によって構成される（図１及び図２）。芯線露出部１１Ｘは、その底部４１と一対の片部４２，４２とで囲まれた空間内に収容される。ここで示す芯線接続体４０においては、一対の片部４２，４２が底部４１の両端から垂設されている。 The core wire connecting body 40 is composed of a bottom portion 41 and a pair of piece portions 42, 42 protruding in the same direction from both ends of the bottom portion 41 (FIGS. 1 and 2). The core wire exposed portion 11X is housed in a space surrounded by its bottom portion 41 and a pair of one-sided portions 42, 42. In the core wire connecting body 40 shown here, a pair of piece portions 42, 42 are vertically provided from both ends of the bottom portion 41.

この芯線接続体４０においては、例えば、それぞれの片部４２，４２における自由端４２ａ，４２ａの間の開口４０ａから芯線露出部１１Ｘが内壁面４２ｂ，４２ｂの間に挿入される（図１及び図２）。芯線露出部１１Ｘは、少なくともそれぞれの片部４２，４２の内壁面４２ｂ，４２ｂ側で芯線接続体４０に対して物理的且つ電気的に接続させる。そこで、この芯線接続体４０は、更に、内方の空間に収容された芯線露出部１１Ｘをそれぞれの片部４２，４２の内壁面４２ｂ，４２ｂの間で物理的且つ電気的に接続させる少なくとも１組の一対の圧接片４３，４３を有している（図１及び図２）。ここで示す芯線接続体４０は、その一対の圧接片４３，４３を２組有している。また、ここで示す圧接片４３は、母材となる金属板の板厚分の厚みを有する片体として形成されている。 In the core wire connecting body 40, for example, the core wire exposed portion 11X is inserted between the inner wall surfaces 42b and 42b from the opening 40a between the free ends 42a and 42a in the respective piece portions 42 and 42 (FIGS. 1 and FIG. 2). The core wire exposed portion 11X is physically and electrically connected to the core wire connecting body 40 at least on the inner wall surface 42b, 42b side of each of the piece portions 42, 42. Therefore, the core wire connecting body 40 further connects the core wire exposed portion 11X housed in the inner space between the inner wall surfaces 42b and 42b of the respective piece portions 42 and 42, at least one. It has a pair of pressure contact pieces 43, 43 (FIGS. 1 and 2). The core wire connecting body 40 shown here has two sets of the pair of pressure contact pieces 43, 43. Further, the pressure contact piece 43 shown here is formed as a piece having a thickness corresponding to the thickness of the metal plate used as the base material.

その一対の圧接片４３，４３は、それぞれの片部４２，４２の内壁面４２ｂ，４２ｂ側から各々突出させ、かつ、それぞれの片部４２，４２の対向配置方向で互いに間隔を空けて端面同士を対向配置させる。芯線露出部１１Ｘは、この一対の圧接片４３，４３のそれぞれの端面の間に、開口４０ａ側から底部４１側に向けて挿入させる。 The pair of pressure contact pieces 43, 43 are projected from the inner wall surfaces 42b, 42b side of the respective piece portions 42, 42, respectively, and the end faces are spaced apart from each other in the facing arrangement direction of the respective piece portions 42, 42. Are placed facing each other. The core wire exposed portion 11X is inserted between the end faces of the pair of pressure contact pieces 43, 43 from the opening 40a side toward the bottom 41 side.

具体的に、この一対の圧接片４３，４３は、その端面の一部である圧接端面４３ａ，４３ａ同士が間隔を空けて対向配置された芯線圧接部４３Ａと、その端面の一部である整列端面４３ｂ，４３ｂ同士が間隔を空けて対向配置された素線整列部４３Ｂと、を有している（図３及び図４）。 Specifically, the pair of pressure contact pieces 43, 43 are aligned with the core wire pressure contact portion 43A, in which the pressure contact end surfaces 43a, 43a, which are part of the end faces thereof, are arranged so as to face each other at intervals, and a part of the end faces thereof. The end faces 43b and 43b have a wire alignment portion 43B which is arranged so as to face each other with a gap between them (FIGS. 3 and 4).

それぞれの圧接端面４３ａ，４３ａとそれぞれの整列端面４３ｂ，４３ｂは、各々、芯線露出部１１Ｘの開口４０ａからの挿入方向に沿う平面である。よって、それぞれの圧接端面４３ａ，４３ａとそれぞれの整列端面４３ｂ，４３ｂは、各々、その挿入方向に沿う長さと、一対の圧接片４３，４３の厚み分の幅と、を有する平面になっている。また、それぞれの整列端面４３ｂ，４３ｂは、その間隔がそれぞれの圧接端面４３ａ，４３ａの間隔よりも広くなるように形成されている。 The respective pressure contact end faces 43a, 43a and the respective aligned end faces 43b, 43b are planes along the insertion direction of the core wire exposed portion 11X from the opening 40a, respectively. Therefore, the respective pressure contact end surfaces 43a, 43a and the respective aligned end surfaces 43b, 43b are flat surfaces having a length along the insertion direction and a width corresponding to the thickness of the pair of pressure contact pieces 43, 43, respectively. .. Further, the aligned end faces 43b and 43b are formed so that the distance between them is wider than the distance between the pressure contact end faces 43a and 43a, respectively.

この一対の圧接片４３，４３においては、芯線圧接部４３Ａが芯線露出部１１Ｘを圧入させておく部位である。よって、その芯線露出部１１Ｘは、それぞれの圧接端面４３ａ，４３ａの間に圧入させることによって、一対の圧接片４３，４３に対して物理的且つ電気的に接続させる。また、この一対の圧接片４３，４３においては、素線整列部４３Ｂを介して芯線露出部１１Ｘを芯線圧接部４３Ａに圧入させる。 In the pair of pressure contact pieces 43, 43, the core wire pressure contact portion 43A is a portion where the core wire exposed portion 11X is press-fitted. Therefore, the core wire exposed portion 11X is physically and electrically connected to the pair of pressure contact pieces 43, 43 by press fitting between the pressure contact end surfaces 43a, 43a, respectively. Further, in the pair of pressure contact pieces 43, 43, the core wire exposed portion 11X is press-fitted into the core wire pressure contact portion 43A via the wire alignment portion 43B.

芯線圧接部４３Ａは、それぞれの圧接端面４３ａ，４３ａの間にて、芯線露出部１１Ｘの全ての素線１１ａを整列状態で圧接端面４３ａ，４３ａに接触させるものとして形成される。この芯線圧接部４３Ａは、芯線露出部１１Ｘの全ての素線１１ａを１列又は２列に整列させた状態で圧接端面４３ａ，４３ａに接触させる。例えば、この芯線圧接部４３Ａは、それぞれの圧接端面４３ａ，４３ａの間隔が芯線露出部１１Ｘの全ての素線１１ａを１列に整列させた状態で圧入させておく大きさである場合、その全ての素線１１ａをそれぞれの圧接端面４３ａ，４３ａで挟み込みながら当該それぞれの圧接端面４３ａ，４３ａに接触させる。また、この芯線圧接部４３Ａは、それぞれの圧接端面４３ａ，４３ａの間隔が芯線露出部１１Ｘの全ての素線１１ａを２列に整列させた状態で圧入させておく大きさである場合、一方の列の素線１１ａを一方の圧接端面４３ａに接触させ且つ他方の列の素線１１ａを他方の圧接端面４３ａに接触させた状態で、その全ての素線１１ａをそれぞれの圧接端面４３ａ，４３ａに挟み込ませる。 The core wire pressure contact portion 43A is formed so that all the strands 11a of the core wire exposed portion 11X are brought into contact with the pressure contact end surfaces 43a and 43a in an aligned state between the pressure contact end surfaces 43a and 43a, respectively. The core wire pressure contact portion 43A is brought into contact with the pressure contact end surfaces 43a and 43a in a state where all the strands 11a of the core wire exposed portion 11X are aligned in one row or two rows. For example, when the core wire pressure contact portion 43A has a size in which the distance between the pressure contact end surfaces 43a and 43a is such that all the strands 11a of the core wire exposed portion 11X are aligned in one row, all of them are press-fitted. The wire 11a is sandwiched between the respective pressure contact end surfaces 43a and 43a and brought into contact with the respective pressure contact end surfaces 43a and 43a. Further, this core wire pressure contact portion 43A is one of the cases where the distance between the respective pressure contact end surfaces 43a and 43a is such that all the strands 11a of the core wire exposed portion 11X are press-fitted in a state of being aligned in two rows. In a state where the strands 11a of the row are in contact with one pressure contact end surface 43a and the strands 11a of the other row are in contact with the other pressure contact end surface 43a, all the strands 11a are attached to the pressure contact end surfaces 43a and 43a, respectively. Let it be sandwiched.

素線整列部４３Ｂは、それぞれの整列端面４３ｂ，４３ｂの間にて芯線露出部１１Ｘの全ての素線１１ａを整列させたまま芯線圧接部４３Ａ側に移動させ得るものとして形成される。本実施形態の素線整列部４３Ｂは、芯線露出部１１Ｘの全ての素線１１ａをそれぞれの整列端面４３ｂ，４３ｂの間に整列させながら挿入させ、それぞれの整列端面４３ｂ，４３ｂの間にてその挿入時の整列状態を保ったまま芯線露出部１１Ｘの全ての素線１１ａを芯線圧接部４３Ａ側に移動させ得るものとして形成されている。 The strand alignment portion 43B is formed so that all the strands 11a of the core wire exposed portion 11X can be moved to the core wire pressure contact portion 43A side while being aligned between the aligned end faces 43b and 43b. In the wire aligning portion 43B of the present embodiment, all the wires 11a of the core wire exposed portion 11X are inserted while being aligned between the aligned end faces 43b and 43b, and the wire is inserted between the aligned end faces 43b and 43b. It is formed so that all the strands 11a of the core wire exposed portion 11X can be moved to the core wire pressure contact portion 43A side while maintaining the aligned state at the time of insertion.

また、この素線整列部４３Ｂは、それぞれの整列端面４３ｂ，４３ｂの間にて、芯線露出部１１Ｘの全ての素線１１ａを芯線圧接部４３Ａでの整列状態と同じ配列順に整えたまま芯線圧接部４３Ａ側に移動させ得るものとして形成される。この場合、芯線圧接部４３Ａでは、それぞれの圧接端面４３ａ，４３ａの間に、芯線露出部１１Ｘの全ての素線１１ａを素線整列部４３Ｂでの整列状態のまま挿入させる。ここで示す素線整列部４３Ｂは、それぞれの整列端面４３ｂ，４３ｂの間に芯線露出部１１Ｘの全ての素線１１ａを芯線圧接部４３Ａでの整列状態と同じ配列順に整列させながら挿入させ、その挿入時の整列状態を保ったまま芯線露出部１１Ｘの全ての素線１１ａをそれぞれの整列端面４３ｂ，４３ｂの間で芯線圧接部４３Ａ側に移動させ得るものとして形成されている。 Further, in the wire aligning portion 43B, between the aligned end faces 43b and 43b, the core wire pressure welding is performed while all the strands 11a of the core wire exposed portion 11X are arranged in the same arrangement order as the alignment state in the core wire pressure contact portion 43A. It is formed so that it can be moved to the portion 43A side. In this case, in the core wire pressure contact portion 43A, all the strands 11a of the core wire exposed portion 11X are inserted between the respective pressure contact end surfaces 43a and 43a in the aligned state in the strand alignment portion 43B. The strand alignment portion 43B shown here is inserted between the alignment end faces 43b and 43b while aligning all the strands 11a of the core wire exposed portion 11X in the same arrangement order as in the alignment state at the core wire pressure contact portion 43A. It is formed so that all the strands 11a of the core wire exposed portion 11X can be moved to the core wire pressure contact portion 43A side between the aligned end faces 43b and 43b while maintaining the aligned state at the time of insertion.

図中の例示では、芯線露出部１１Ｘの全ての素線１１ａを素線整列部４３Ｂで２列に整列させ、その２列のまま芯線圧接部４３Ａに圧入させている。よって、この例示のそれぞれの圧接端面４３ａ，４３ａは、その間隔が圧入前の円柱状の素線１１ａの直径よりも広く且つその直径の２倍よりも狭く形成されている。そして、この例示のそれぞれの整列端面４３ｂ，４３ｂは、その間隔がその素線１１ａの直径の２倍よりも広く且つその直径の３倍よりも狭く形成されている。 In the example in the figure, all the strands 11a of the core wire exposed portion 11X are aligned in two rows by the strand alignment portion 43B, and the two rows are press-fitted into the core wire pressure contact portion 43A. Therefore, the pressure contact end surfaces 43a and 43a of this example are formed so that the distance between them is wider than the diameter of the columnar wire 11a before press fitting and narrower than twice the diameter. The aligned end faces 43b and 43b of this example are formed so that their spacing is wider than twice the diameter of the wire 11a and narrower than three times the diameter thereof.

尚、この一対の圧接片４３，４３は、芯線露出部１１Ｘの全ての素線１１ａを素線整列部４３Ｂで１列に整列させ、その１列のまま芯線圧接部４３Ａに圧入させてもよい。この場合のそれぞれの圧接端面４３ａ，４３ａは、その間隔が素線１１ａの直径よりも狭く形成されている。そして、この場合のそれぞれの整列端面４３ｂ，４３ｂは、その間隔がその素線１１ａの直径よりも広く且つその直径の２倍よりも狭く形成されている。 In the pair of pressure contact pieces 43, 43, all the strands 11a of the core wire exposed portion 11X may be aligned in one row by the strand alignment portion 43B, and the one row may be press-fitted into the core wire pressure contact portion 43A. .. In this case, the pressure contact end surfaces 43a and 43a are formed so that the distance between them is narrower than the diameter of the wire 11a. In this case, the aligned end faces 43b and 43b are formed so that the distance between them is wider than the diameter of the wire 11a and narrower than twice the diameter.

更に、この一対の圧接片４３，４３は、それぞれの整列端面４３ｂ，４３ｂの間に芯線露出部１１Ｘを挿入させる際の挿入開始点であり、それぞれの整列端面４３ｂ，４３ｂの間隔よりも間口の広い芯線導入部（以下、「第１芯線導入部」という。）４３Ｃを有している（図３及び図４）。そして、この一対の圧接片４３，４３は、それぞれの整列端面４３ｂ，４３ｂの間の芯線露出部１１Ｘをそれぞれの圧接端面４３ａ，４３ａの間に圧入させる際の挿入開始点であり、それぞれの圧接端面４３ａ，４３ａの間隔よりも間口の広い芯線導入部（以下、「第２芯線導入部」という。）４３Ｄを有している（図３及び図４）。 Further, the pair of pressure contact pieces 43, 43 is an insertion start point when the core wire exposed portion 11X is inserted between the aligned end faces 43b, 43b, and the frontage is larger than the distance between the aligned end faces 43b, 43b. It has a wide core wire introduction portion (hereinafter referred to as "first core wire introduction portion") 43C (FIGS. 3 and 4). The pair of pressure contact pieces 43, 43 is an insertion start point when the core wire exposed portion 11X between the aligned end surfaces 43b, 43b is press-fitted between the respective pressure contact end surfaces 43a, 43a, and each pressure contact is made. It has a core wire introduction portion (hereinafter referred to as “second core wire introduction portion”) 43D having a wider frontage than the distance between the end faces 43a and 43a (FIGS. 3 and 4).

第１芯線導入部４３Ｃは、一対の圧接片４３，４３における開口４０ａ側の端部に設ける。例えば、この一対の圧接片４３，４３は、開口４０ａ側の端部に、整列端面４３ｂ，４３ｂに連なり、かつ、この整列端面４３ｂ，４３ｂとの境界から開口４０ａ側に向かうほど互いの間隔が拡がる傾斜部４３ｃ，４３ｃを有している（図３及び図４）。第１芯線導入部４３Ｃは、そのそれぞれの傾斜部４３ｃ，４３ｃによって形成される。その傾斜部４３ｃ，４３ｃは、圧接端面４３ａ，４３ａや整列端面４３ｂ，４３ｂと同様の平面として形成されたものであってもよく、刃形の圧接刃として形成されたものであってもよい。ここで示すそれぞれの傾斜部４３ｃ，４３ｃは、それぞれの圧接端面４３ａ，４３ａやそれぞれの整列端面４３ｂ，４３ｂと同様の平面であり、一対の圧接片４３，４３の厚み分の幅を有する傾斜面として形成されている。尚、図１及び図２では、その傾斜部４３ｃ，４３ｃの図示を省略している。 The first core wire introduction portion 43C is provided at the end portion of the pair of pressure contact pieces 43, 43 on the opening 40a side. For example, the pair of pressure contact pieces 43, 43 are connected to the aligned end faces 43b, 43b at the end on the opening 40a side, and are spaced apart from each other from the boundary with the aligned end faces 43b, 43b toward the opening 40a. It has expanding inclined portions 43c and 43c (FIGS. 3 and 4). The first core wire introduction portion 43C is formed by the inclined portions 43c and 43c, respectively. The inclined portions 43c, 43c may be formed as a flat surface similar to the pressure contact end faces 43a, 43a and the aligned end faces 43b, 43b, or may be formed as a blade-shaped pressure contact blade. The inclined portions 43c and 43c shown here are flat surfaces similar to the respective pressure contact end surfaces 43a and 43a and the respective aligned end surfaces 43b and 43b, and have an inclined surface having a width corresponding to the thickness of the pair of pressure contact pieces 43 and 43. Is formed as. In FIGS. 1 and 2, the inclined portions 43c and 43c are not shown.

第２芯線導入部４３Ｄは、一対の圧接片４３，４３における芯線圧接部４３Ａと素線整列部４３Ｂとの間に設ける。例えば、この一対の圧接片４３，４３は、芯線圧接部４３Ａと素線整列部４３Ｂとの間に、底部４１側で圧接端面４３ａ，４３ａに連なると共に開口４０ａ側で整列端面４３ｂ，４３ｂに連なり、かつ、圧接端面４３ａ，４３ａとの境界から整列端面４３ｂ，４３ｂとの境界に向かうほど互いの間隔が拡がる傾斜部４３ｄ，４３ｄを有している（図３及び図４）。第２芯線導入部４３Ｄは、そのそれぞれの傾斜部４３ｄ，４３ｄによって形成される。そのそれぞれの傾斜部４３ｄ，４３ｄは、それぞれの圧接端面４３ａ，４３ａやそれぞれの整列端面４３ｂ，４３ｂと同様の平面であり、一対の圧接片４３，４３の厚み分の幅を有する傾斜面として形成されている。 The second core wire introduction portion 43D is provided between the core wire pressure contact portion 43A and the strand alignment portion 43B in the pair of pressure contact pieces 43, 43. For example, the pair of pressure contact pieces 43, 43 are connected to the pressure contact end surfaces 43a, 43a on the bottom 41 side and to the alignment end surfaces 43b, 43b on the opening 40a side between the core wire pressure contact portion 43A and the wire alignment portion 43B. Moreover, it has inclined portions 43d and 43d whose distances from each other increase toward the boundary between the pressure contact end faces 43a and 43a and the aligned end faces 43b and 43b (FIGS. 3 and 4). The second core wire introduction portion 43D is formed by the inclined portions 43d and 43d, respectively. The respective inclined portions 43d and 43d are flat surfaces similar to the respective pressure contact end surfaces 43a and 43a and the respective aligned end surfaces 43b and 43b, and are formed as an inclined surface having a width corresponding to the thickness of the pair of pressure contact pieces 43 and 43. Has been done.

被覆接続体５０は、バレル底部５１と、このバレル底部５１の両端から突出させた一対のバレル片部５２，５２と、によって構成される（図１及び図２）。この被覆接続体５０においては、例えば、それぞれのバレル片部５２，５２における自由端５２ａ，５２ａの間の開口から電線１０の端末の被覆１２部分が内方に挿入され、その被覆１２部分がバレル底部５１の内壁面（底面）５１ａに載せ置かれる。この被覆接続体５０は、例えば、それぞれのバレル片部５２，５２を加圧して変形させながら電線１０の端末の被覆１２に巻き付けていく。 The coated connection body 50 is composed of a barrel bottom portion 51 and a pair of barrel piece portions 52, 52 protruding from both ends of the barrel bottom portion 51 (FIGS. 1 and 2). In the covering connection body 50, for example, the covering 12 portion of the terminal of the electric wire 10 is inserted inward from the opening between the free ends 52a and 52a in the barrel piece portions 52, 52, and the covering 12 portion is the barrel. It is placed on the inner wall surface (bottom surface) 51a of the bottom portion 51. The coated connection body 50 is wound around the coating 12 of the terminal of the electric wire 10 while pressurizing and deforming the respective barrel pieces 52 and 52, for example.

この端子付き電線１においては、電線１０の被覆１２の一部を剥ぎ取って芯線露出部１１Ｘを形成する。そして、この端子付き電線１においては、その芯線露出部１１Ｘを端子金具２０の一対の圧接片４３，４３に圧入させることによって、その端子金具２０に対して電線１０を組み付ける。よって、この端子付き電線１の製造方法は、電線１０に芯線露出部１１Ｘを形成する芯線露出部形成工程と、端子金具２０に対して電線１０の芯線露出部１１Ｘを組み付ける電線組付け工程と、を有している。 In the electric wire 1 with terminals, a part of the coating 12 of the electric wire 10 is peeled off to form the core wire exposed portion 11X. Then, in the electric wire 1 with a terminal, the electric wire 10 is assembled to the terminal metal fitting 20 by press-fitting the core wire exposed portion 11X into the pair of pressure contact pieces 43, 43 of the terminal metal fitting 20. Therefore, the method for manufacturing the electric wire 1 with a terminal includes a core wire exposed portion forming step of forming the core wire exposed portion 11X on the electric wire 10, and an electric wire assembling step of assembling the core wire exposed portion 11X of the electric wire 10 to the terminal metal fitting 20. have.

芯線露出部形成工程では、電線１０の所定位置の被覆１２を剥ぎ取ることによって、この電線１０の所定位置に芯線露出部１１Ｘが形成される。 In the core wire exposed portion forming step, the core wire exposed portion 11X is formed at a predetermined position of the electric wire 10 by stripping the coating 12 at a predetermined position of the electric wire 10.

電線組付け工程は、それぞれの整列端面４３ｂ，４３ｂの間に芯線露出部１１Ｘの全ての素線１１ａを整列させながら挿し入れて、その挿入時の整列状態を保ったまま芯線露出部１１Ｘの全ての素線１１ａをそれぞれの整列端面４３ｂ，４３ｂの間で芯線圧接部４３Ａ側に移動させる素線整列工程と、素線整列部４３Ｂを通過した芯線露出部１１Ｘをそれぞれの圧接端面４３ａ，４３ａの間に圧入して、それぞれの圧接端面４３ａ，４３ａの間にて芯線露出部１１Ｘの全ての素線１１ａを整列状態で圧接端面４３ａ，４３ａに接触させる芯線圧接工程と、を有する。 In the wire assembling process, all the strands 11a of the core wire exposed portion 11X are inserted between the aligned end faces 43b and 43b while aligning them, and all of the core wire exposed portions 11X are inserted while maintaining the aligned state at the time of insertion. The wire alignment step of moving the wire 11a between the aligned end faces 43b and 43b toward the core wire pressure contact portion 43A, and the core wire exposed portion 11X passing through the wire aligning portion 43B of the respective pressure contact end surfaces 43a and 43a. It has a core wire pressure welding step in which all the strands 11a of the core wire exposed portion 11X are brought into contact with the pressure welding end surfaces 43a, 43a in an aligned state between the pressure welding end surfaces 43a, 43a.

素線整列工程では、第１芯線導入部４３Ｃのそれぞれの傾斜部４３ｃ，４３ｃの間に芯線露出部１１Ｘを挿入させ、そのそれぞれの傾斜部４３ｃ，４３ｃに沿って芯線露出部１１Ｘの外表面側の素線１１ａを移動させると共に、芯線露出部１１Ｘの内方の素線１１ａを外表面側の素線１１ａで開口４０ａ側に押し上げる（図４の左側の図）。そして、この素線整列工程では、それぞれの傾斜部４３ｃ，４３ｃに沿って移動してきた外表面側の素線１１ａをそれぞれの整列端面４３ｂ，４３ｂの間に整列させながら挿し入れると共に、この外表面側の素線１１ａによって押し上げられた内方の素線１１ａをそれぞれの整列端面４３ｂ，４３ｂの間に整列させながら挿し入れる（図４の中央の図）。この素線整列工程では、このようにして、それぞれの整列端面４３ｂ，４３ｂの間に芯線露出部１１Ｘの全ての素線１１ａが整列されながら挿し入れられていく。よって、本実施形態の一対の圧接片４３，４３においては、素線整列部４３Ｂと共に、その第１芯線導入部４３Ｃについても、芯線露出部１１Ｘの素線１１ａを整列させるために機能していると云える。 In the wire alignment step, the core wire exposed portion 11X is inserted between the inclined portions 43c and 43c of the first core wire introducing portion 43C, and the outer surface side of the core wire exposed portion 11X is inserted along the inclined portions 43c and 43c, respectively. While moving the wire 11a of the above, the inner wire 11a of the core wire exposed portion 11X is pushed up toward the opening 40a by the wire 11a on the outer surface side (left side view of FIG. 4). Then, in this strand alignment step, the strands 11a on the outer surface side that have moved along the inclined portions 43c and 43c are inserted while being aligned between the aligned end faces 43b and 43b, and the outer surface is inserted. The inner wire 11a pushed up by the side wire 11a is inserted while being aligned between the aligned end faces 43b and 43b (center view of FIG. 4). In this wire alignment step, all the wires 11a of the core wire exposed portion 11X are inserted between the aligned end faces 43b and 43b while being aligned in this way. Therefore, in the pair of pressure contact pieces 43 and 43 of the present embodiment, the strands 11a of the core wire exposed portion 11X also function as the first core wire introduction portion 43C together with the strand alignment portion 43B. It can be said.

芯線圧接工程では、素線整列工程で整列させられた芯線露出部１１Ｘの全ての素線１１ａが第２芯線導入部４３Ｄのそれぞれの傾斜部４３ｄ，４３ｄの間を介してそれぞれの圧接端面４３ａ，４３ａの間に圧入されていき、この全ての素線１１ａを整列状態で圧接端面４３ａ，４３ａに接触させる（図４の右側の図）。この芯線圧接工程では、それぞれの圧接端面４３ａ，４３ａの間に、素線整列部４３Ｂでの配列順を保ったままで芯線露出部１１Ｘの全ての素線１１ａが第２芯線導入部４３Ｄを介して圧入される。この芯線圧接工程では、第２芯線導入部４３Ｄのそれぞれの傾斜部４３ｄ，４３ｄの間に芯線露出部１１Ｘを挿入させ、そのそれぞれの傾斜部４３ｄ，４３ｄに沿って芯線露出部１１Ｘの全ての素線１１ａを移動させながら、その全ての素線１１ａを素線整列部４３Ｂでの配列順を保ったままそれぞれの圧接端面４３ａ，４３ａの間に圧入させる。 In the core wire pressure welding step, all the strands 11a of the core wire exposed portion 11X aligned in the strand alignment step pass between the inclined portions 43d and 43d of the second core wire introduction portion 43D, respectively, and the respective pressure welding end surfaces 43a, It is press-fitted between 43a, and all the strands 11a are brought into contact with the pressure contact end surfaces 43a and 43a in an aligned state (right side of FIG. 4). In this core wire pressure welding step, between the pressure welding end surfaces 43a and 43a, all the strands 11a of the core wire exposed portion 11X pass through the second core wire introduction portion 43D while maintaining the arrangement order in the strand alignment portion 43B. It is press-fitted. In this core wire pressure welding step, the core wire exposed portion 11X is inserted between the inclined portions 43d and 43d of the second core wire introducing portion 43D, and all the elements of the core wire exposed portion 11X are inserted along the inclined portions 43d and 43d, respectively. While moving the wire 11a, all the strands 11a are press-fitted between the pressure contact end surfaces 43a and 43a while maintaining the arrangement order in the strand alignment portion 43B.

ここで示す素線整列工程では、第１芯線導入部４３Ｃのそれぞれの傾斜部４３ｃ，４３ｃに沿って移動してきた外表面側の素線１１ａと、この外表面側の素線１１ａによって押し上げられた内方の素線１１ａとが、それぞれの整列端面４３ｂ，４３ｂの間に芯線圧接部４３Ａでの整列状態と同じ配列順で整列させられながら挿し入れられていく。よって、ここで示す素線整列工程では、それぞれの整列端面４３ｂ，４３ｂの間にて、その芯線圧接部４３Ａでの整列状態と同じ配列順を保ったまま芯線露出部１１Ｘの全ての素線１１ａを芯線圧接部４３Ａ側に移動させる。 In the wire alignment step shown here, the wire 11a on the outer surface side and the wire 11a on the outer surface side that have moved along the inclined portions 43c and 43c of the first core wire introduction portion 43C are pushed up. The inner strands 11a are inserted between the aligned end faces 43b and 43b while being aligned in the same arrangement order as in the aligned state at the core wire pressure contact portion 43A. Therefore, in the wire alignment step shown here, all the wires 11a of the core wire exposed portion 11X are maintained in the same arrangement order as the alignment state at the core wire pressure contact portion 43A between the aligned end faces 43b and 43b. Is moved to the core wire pressure welding portion 43A side.

続いて、ここで示す芯線圧接工程では、その芯線露出部１１Ｘの全ての素線１１ａを第２芯線導入部４３Ｄのそれぞれの傾斜部４３ｄ，４３ｄに沿って移動させながら、この全ての素線１１ａを素線整列部４３Ｂでの配列順を保ったままそれぞれの圧接端面４３ａ，４３ａの間に圧入させる。これにより、ここで示す芯線圧接工程では、それぞれの圧接端面４３ａ，４３ａの間にて、芯線露出部１１Ｘの全ての素線１１ａが所望の整列状態で圧入される。 Subsequently, in the core wire pressure welding step shown here, all the strands 11a of the core wire exposed portion 11X are moved along the inclined portions 43d and 43d of the second core wire introduction portion 43D, respectively, and all the strands 11a are moved. Is press-fitted between the pressure contact end surfaces 43a and 43a, respectively, while maintaining the arrangement order in the wire alignment portion 43B. As a result, in the core wire pressure welding step shown here, all the strands 11a of the core wire exposed portion 11X are press-fitted in a desired aligned state between the respective pressure contact end surfaces 43a and 43a.

例えば、図中の例示に沿った素線整列工程では、第１芯線導入部４３Ｃのそれぞれの傾斜部４３ｃ，４３ｃに沿って芯線露出部１１Ｘの素線１１ａを並べながら、その素線１１ａをそれぞれの整列端面４３ｂ，４３ｂの間で２列にして挿し入れていく。そして、この例示の素線整列工程では、それぞれの整列端面４３ｂ，４３ｂの間に挿入された芯線露出部１１Ｘの全ての素線１１ａをその２列の状態を保ったまま芯線圧接部４３Ａ側に移動させる。この例示の芯線圧接工程では、一方の列の素線１１ａを一方の傾斜部４３ｄに沿って移動させ且つ他方の列の素線１１ａを他方の傾斜部４３ｄに沿って移動させながら、それぞれの列の素線１１ａを近づけて、この全ての素線１１ａを２列に保ったままそれぞれの圧接端面４３ａ，４３ａの間に圧入させる。 For example, in the wire alignment step according to the example in the figure, the wire 11a of the core wire exposed portion 11X is arranged along the inclined portions 43c and 43c of the first core wire introduction portion 43C, respectively. It is inserted in two rows between the aligned end faces 43b and 43b. Then, in this exemplary wire alignment step, all the wires 11a of the core wire exposed portions 11X inserted between the aligned end faces 43b and 43b are placed on the core wire pressure contact portion 43A side while maintaining the state of the two rows. Move it. In this exemplary core wire pressure welding step, the strands 11a in one row are moved along one inclined portion 43d, and the strands 11a in the other row are moved along the inclined portion 43d in each row. The strands 11a of the above are brought close to each other, and all the strands 11a are press-fitted between the pressure contact end surfaces 43a and 43a while keeping them in two rows.

尚、芯線圧接工程では、芯線露出部１１Ｘの全ての素線１１ａが素線整列部４３Ｂで１列に整列させられている場合、その全ての素線１１ａをそれぞれの傾斜部４３ｄ，４３ｄの内の少なくとも一方に沿って移動させながら、この全ての素線１１ａを１列に保ったままそれぞれの圧接端面４３ａ，４３ａの間に圧入させる。 In the core wire pressure welding step, when all the strands 11a of the core wire exposed portion 11X are aligned in one row by the strand alignment portion 43B, all the strands 11a are included in the inclined portions 43d and 43d, respectively. While moving along at least one of the above, all the strands 11a are press-fitted between the pressure contact end surfaces 43a and 43a while keeping them in one row.

また、素線整列部４３Ｂは、それぞれの整列端面４３ｂ，４３ｂの間にて、芯線露出部１１Ｘの全ての素線１１ａを芯線圧接部４３Ａでの整列状態よりも列の多い状態に整列させたまま芯線圧接部４３Ａ側に移動させ得るものであってもよい。この場合、芯線圧接部４３Ａでは、それぞれの圧接端面４３ａ，４３ａの間に芯線露出部１１Ｘの全ての素線１１ａを芯線圧接部４３Ａでの所望の整列状態となるように列を減じて整列させながら圧入させる。つまり、一対の圧接片４３，４３は、例えば、芯線露出部１１Ｘの全ての素線１１ａを素線整列部４３Ｂで３列に整列させ、芯線圧接部４３Ａで２列に整列させながら当該芯線圧接部４３Ａに圧入させてもよい。 Further, the strand alignment portion 43B aligns all the strands 11a of the core wire exposed portion 11X between the alignment end faces 43b and 43b in a state where there are more rows than in the alignment state at the core wire pressure contact portion 43A. It may be able to be moved to the core wire pressure contact portion 43A side as it is. In this case, in the core wire pressure contact portion 43A, all the strands 11a of the core wire exposed portion 11X are aligned between the respective pressure contact end surfaces 43a and 43a by reducing the rows so as to be in a desired alignment state in the core wire pressure contact portion 43A. Press in while. That is, for the pair of pressure welding pieces 43, 43, for example, all the strands 11a of the core wire exposed portion 11X are aligned in three rows by the strand alignment portion 43B, and the core wire pressure welding pieces 43A are aligned in two rows. It may be press-fitted into the portion 43A.

以上示したように、本実施形態の圧接構造は、芯線露出部１１Ｘを圧入させる一対の圧接片４３，４３に、それぞれの圧接端面４３ａ，４３ａの間にて芯線露出部１１Ｘの全ての素線１１ａを整列状態で圧接端面４３ａ，４３ａに接触させる芯線圧接部４３Ａを設けている。このため、この圧接構造は、圧接端面４３ａに接触していない素線１１ａを有するものと比較して、電気抵抗を低下させることができる。 As shown above, in the pressure welding structure of the present embodiment, all the strands of the core wire exposed portion 11X are inserted into the pair of pressure welding pieces 43, 43 into which the core wire exposed portion 11X is press-fitted, between the respective pressure welding end surfaces 43a, 43a. A core wire pressure contact portion 43A that brings the 11a into contact with the pressure contact end surfaces 43a and 43a in an aligned state is provided. Therefore, this pressure contact structure can reduce the electric resistance as compared with the one having the wire 11a which is not in contact with the pressure contact end surface 43a.

更に、本実施形態の圧接構造は、圧接端面４３ａ，４３ａ同士よりも広い間隔を空けて整列端面４３ｂ，４３ｂ同士が対向配置された素線整列部４３Ｂであり、それぞれの整列端面４３ｂ，４３ｂの間にて芯線露出部１１Ｘの全ての素線１１ａを整列させたまま芯線圧接部４３Ａ側に移動させることが可能なものを一対の圧接片４３，４３に設けている。このため、この圧接構造においては、芯線露出部１１Ｘをそれぞれの圧接端面４３ａ，４３ａの間へと圧入させる際に、素線整列部４３Ｂにおける芯線圧接部４３Ａよりも広めの隙間で芯線露出部１１Ｘの全ての素線１１ａを整列させた後、その整列された全ての素線１１ａを芯線圧接部４３Ａに圧入して、その全ての素線１１ａを整列状態で圧接端面４３ａ，４３ａに接触させることができる。つまり、この圧接構造は、芯線露出部１１Ｘの全ての素線１１ａを一旦整列させ、その全ての素線１１ａを整列させたまま素線整列部４３Ｂから芯線圧接部４３Ａに圧入させる製造方法を採ることができるので、その圧入に際しての素線１１ａに対する過荷重の印加を抑止しながら、全ての素線１１ａをそれぞれの圧接端面４３ａ，４３ａの間に圧入していくことができる。従って、本実施形態の圧接構造及び端子付き電線１の製造方法は、組付け作業性を向上させつつそれぞれの素線１１ａの品質を保ちながら、電気抵抗を低下させることができる。 Further, the pressure contact structure of the present embodiment is a wire alignment portion 43B in which the alignment end faces 43b, 43b are arranged to face each other with a wider interval than the pressure contact end faces 43a, 43a, and the alignment end faces 43b, 43b, respectively. A pair of pressure contact pieces 43, 43 that can be moved to the core wire pressure contact portion 43A side while all the strands 11a of the core wire exposed portion 11X are aligned in between are provided. Therefore, in this pressure contact structure, when the core wire exposed portion 11X is press-fitted between the respective pressure contact end surfaces 43a and 43a, the core wire exposed portion 11X has a wider gap than the core wire pressure contact portion 43A in the wire alignment portion 43B. After aligning all the strands 11a of the above, all the aligned strands 11a are press-fitted into the core wire pressure contact portion 43A, and all the strands 11a are brought into contact with the pressure contact end surfaces 43a and 43a in an aligned state. Can be done. That is, this pressure welding structure adopts a manufacturing method in which all the strands 11a of the core wire exposed portion 11X are once aligned, and all the strands 11a are press-fitted from the strand alignment portion 43B into the core wire pressure welding portion 43A while being aligned. Therefore, all the strands 11a can be press-fitted between the respective pressure contact end surfaces 43a and 43a while suppressing the application of an overload to the strands 11a at the time of press-fitting. Therefore, the pressure welding structure of the present embodiment and the method of manufacturing the electric wire 1 with terminals can reduce the electric resistance while maintaining the quality of the respective strands 11a while improving the assembling workability.

また、本実施形態の端子付き電線１は、その圧接構造を備えるものであり、この圧接構造に関わる効果を奏することができる。 Further, the electric wire 1 with a terminal of the present embodiment has a pressure welding structure thereof, and can exert an effect related to this pressure welding structure.

ところで、本実施形態の端子付き電線１は、先の圧接構造を用いたまま、次のような製造方法で作り出すことも可能である。この変形形態における端子付き電線１の製造方法は、予め整列させておいた芯線露出部１１Ｘの全ての素線１１ａを一対の圧接片４３，４３の間に圧入させるものである。この製造方法は、先の例示と同じ芯線露出部形成工程と、芯線露出部１１Ｘの全ての素線１１ａを整列させる素線事前整列工程と、端子金具２０に対して電線１０の芯線露出部１１Ｘを組み付ける電線組付け工程と、を有している。 By the way, the electric wire 1 with a terminal of the present embodiment can be produced by the following manufacturing method while using the pressure welding structure described above. In the method of manufacturing the electric wire 1 with a terminal in this modified form, all the strands 11a of the core wire exposed portion 11X that have been aligned in advance are press-fitted between the pair of pressure contact pieces 43, 43. This manufacturing method includes the same core wire exposed portion forming step as in the previous example, the strand pre-alignment step of aligning all the strands 11a of the core wire exposed portion 11X, and the core wire exposed portion 11X of the electric wire 10 with respect to the terminal fitting 20. It has an electric wire assembly process for assembling.

この変形形態の芯線露出部形成工程では、例えば、治具（図示略）等を用いて、芯線露出部１１Ｘの全ての素線１１ａを芯線圧接部４３Ａでの整列状態と同じ配列順で整列させる（図５）。 In the core wire exposed portion forming step of this modified form, for example, using a jig (not shown) or the like, all the strands 11a of the core wire exposed portion 11X are aligned in the same arrangement order as the alignment state in the core wire pressure contact portion 43A. (Fig. 5).

この変形形態の電線組付け工程は、素線事前整列工程で全ての素線１１ａが整列された芯線露出部１１Ｘをそれぞれの整列端面４３ｂ，４３ｂの間に挿し入れて、それぞれの前記整列端面４３ｂ，４３ｂの間にて芯線露出部１１Ｘの全ての素線１１ａを整列させたまま芯線圧接部４３Ａ側に移動させる素線整列工程（図６の左側の図）と、素線整列部４３Ｂを通過した芯線露出部１１Ｘをそれぞれの圧接端面４３ａ，４３ａの間に圧入して、それぞれの圧接端面４３ａ，４３ａの間にて芯線露出部１１Ｘの全ての素線１１ａを整列状態で圧接端面４３ａ，４３ａに接触させる芯線圧接工程（図６の右側の図）と、を有する。 In the wire assembling step of this modified form, the core wire exposed portion 11X in which all the wires 11a are aligned in the wire pre-alignment step is inserted between the aligned end faces 43b and 43b, and the aligned end faces 43b are respectively inserted. The wire alignment step (left side of FIG. 6) of moving all the wires 11a of the core wire exposed portion 11X to the core wire pressure contact portion 43A side while aligning the wires 11a between the and 43b, and passing through the wire alignment portion 43B. The exposed core wire portion 11X is press-fitted between the respective pressure contact end surfaces 43a and 43a, and all the strands 11a of the core wire exposed portion 11X are aligned between the respective pressure contact end surfaces 43a and 43a. It has a core wire pressure welding step (the figure on the right side of FIG. 6) in which the wire is brought into contact with the wire.

このような製造方法で作り出された端子付き電線１は、先の圧接構造を備えるものであり、この圧接構造による効果を奏することができる。そして、この変形形態の製造方法は、予め芯線露出部１１Ｘの全ての素線１１ａを芯線圧接部４３Ａでの整列状態と同じ配列順で整列させておくことによって、この芯線露出部１１Ｘを素線整列部４３Ｂに挿し入れる際の素線１１ａに対する荷重についても軽減させることができる。 The electric wire 1 with a terminal produced by such a manufacturing method has the above-mentioned pressure-welding structure, and can exert the effect of this pressure-welding structure. Then, in the manufacturing method of this modified form, all the strands 11a of the core wire exposed portion 11X are aligned in the same arrangement order as the alignment state in the core wire pressure contact portion 43A, so that the core wire exposed portion 11X is aligned with the strands. It is also possible to reduce the load on the wire 11a when it is inserted into the alignment portion 43B.

１ 端子付き電線
１０ 電線
１１ 芯線
１１ａ 素線
１１Ｘ 芯線露出部
１２ 被覆
２０ 端子金具
４３ 圧接片
４３Ａ 芯線圧接部
４３ａ 圧接端面
４３Ｂ 素線整列部
４３ｂ 整列端面 1 Wire with terminal 10 Wire 11 Core wire 11a Wire 11X Core wire exposed part 12 Coating 20 Terminal metal fittings 43 Pressure welding piece 43A Core wire pressure welding part 43a Pressure welding end surface 43B Wire alignment part 43b Aligned end surface

Claims (6)

電線における複数本の素線から成る芯線の剥き出し部分である芯線露出部と、
導電性材料から成り、圧接端面同士が間隔を空けて対向配置された芯線圧接部が設けられ、かつ、それぞれの前記圧接端面の間に前記芯線露出部を圧入させた少なくとも１組の一対の圧接片と、
を備え、
前記芯線圧接部は、それぞれの前記圧接端面の間にて、前記芯線露出部の全ての前記素線を整列状態で前記圧接端面に接触させるものとして形成されることを特徴とした圧接構造。 The exposed core wire, which is the exposed part of the core wire consisting of multiple strands in the electric wire,
A pair of at least one pair of pressure-welding portions made of a conductive material, provided with core wire pressure-welding portions in which the pressure-welding end faces are arranged so as to face each other at intervals, and the core wire exposed portion is press-fitted between the respective pressure-welding end surfaces. One piece,
Equipped with
The core wire pressure-welding portion is a pressure-welding structure characterized in that all the strands of the core wire exposed portion are in contact with the pressure-welding end surface in an aligned state between the respective pressure-welding end surfaces. 前記一対の圧接片は、前記圧接端面同士よりも広い間隔を空けて整列端面同士が対向配置された素線整列部を有し、
前記素線整列部は、それぞれの前記整列端面の間にて、前記芯線露出部の全ての前記素線を整列させたまま前記芯線圧接部側に移動させ得るものとして形成されることを特徴とした請求項１に記載の圧接構造。 The pair of pressure contact pieces have a wire alignment portion in which the alignment end faces are arranged facing each other with a wider space than the pressure contact end faces.
The wire alignment portion is characterized in that it can be moved to the core wire pressure contact portion side while all the strands of the core wire exposed portion are aligned between the aligned end faces. The pressure welding structure according to claim 1. 前記素線整列部は、それぞれの前記整列端面の間にて、前記芯線露出部の全ての前記素線を前記芯線圧接部での前記整列状態と同じ配列順に整えたまま前記芯線圧接部側に移動させ得るものとして形成されることを特徴とした請求項２に記載の圧接構造。 The wire alignment portion is placed on the core wire pressure contact portion side between the aligned end faces while all the strands of the core wire exposed portion are arranged in the same arrangement order as the alignment state at the core wire pressure contact portion. The pressure welding structure according to claim 2, wherein the pressure welding structure is formed so as to be movable. それぞれの前記圧接端面は、その間隔が圧入前の円柱状の前記素線の直径よりも広く且つ前記直径の２倍よりも狭く形成され、
それぞれの前記整列端面は、その間隔が前記直径の２倍よりも広く且つ前記直径の３倍よりも狭く形成されることを特徴とした請求項２又は３に記載の圧接構造。 Each of the pressure-welded end faces is formed so that the distance between them is wider than the diameter of the cylindrical wire before press-fitting and narrower than twice the diameter.
The pressure welding structure according to claim 2 or 3, wherein each of the aligned end faces is formed so as to have an interval wider than twice the diameter and narrower than three times the diameter. 複数本の素線から成る芯線及び前記芯線における剥き出しの芯線露出部以外を覆う被覆が設けられた電線と、
圧接端面同士が間隔を空けて対向配置された芯線圧接部が設けられた一対の圧接片を少なくとも１組有し、前記一対の圧接片におけるそれぞれの前記圧接端面の間に前記芯線露出部を圧入させた端子金具と、
を備え、
前記芯線圧接部は、それぞれの前記圧接端面の間にて、前記芯線露出部の全ての前記素線を整列状態で前記圧接端面に接触させるものとして形成されることを特徴とした端子付き電線。 A core wire composed of a plurality of strands, an electric wire provided with a coating covering other than the exposed core wire exposed portion of the core wire, and an electric wire.
It has at least one set of a pair of pressure contact pieces provided with core wire pressure contact portions arranged so that the pressure contact end faces are spaced apart from each other, and the core wire exposed portion is press-fitted between the pressure contact end surfaces of the pair of pressure contact pieces. With the terminal fittings
Equipped with
The core wire pressure contact portion is an electric wire with a terminal characterized in that all the strands of the core wire exposed portion are in contact with the pressure contact end surface in an aligned state between the respective pressure contact end surfaces. 圧接端面同士が間隔を空けて対向配置された芯線圧接部及び前記圧接端面同士よりも広い間隔を空けて整列端面同士が対向配置された素線整列部が設けられた一対の圧接片を少なくとも１組有する端子金具に対して、電線における複数本の素線から成る芯線の剥き出し部分である芯線露出部を組み付ける電線組付け工程を有し、
前記電線組付け工程は、それぞれの前記整列端面の間に前記芯線露出部の全ての前記素線を整列させながら挿し入れて、その挿入時の整列状態を保ったまま前記芯線露出部の全ての前記素線をそれぞれの前記整列端面の間で前記芯線圧接部側に移動させる素線整列工程と、前記素線整列部を通過した前記芯線露出部をそれぞれの前記圧接端面の間に圧入して、それぞれの前記圧接端面の間にて前記芯線露出部の全ての前記素線を整列状態で前記圧接端面に接触させる芯線圧接工程と、を有することを特徴とした端子付き電線の製造方法。 At least one pair of pressure-welded pieces provided with a core wire pressure-welded portion in which the pressure-welded end faces are opposed to each other and a wire-aligned portion in which the aligned end faces are arranged to face each other with a wider space than the pressure-welded end faces. It has a wire assembly process for assembling the exposed core wire, which is the exposed part of the core wire consisting of a plurality of strands in the wire, to the terminal fitting to be assembled.
In the wire assembling step, all the strands of the core wire exposed portion are inserted while being aligned between the aligned end faces, and all the core wire exposed portions are inserted while maintaining the aligned state at the time of insertion. The wire alignment step of moving the wire between the aligned end faces to the core wire pressure contact portion side, and the core wire exposed portion that has passed through the strand alignment portion is press-fitted between the respective pressure contact end faces. A method for manufacturing an electric wire with a terminal, which comprises a core wire pressure welding step of bringing all the strands of the core wire exposed portion into contact with the pressure welding end surface in an aligned state between the respective pressure welding end faces.
JP2020169718A 2020-10-07 2020-10-07 IDC structure, electric wire with terminal and manufacturing method thereof Active JP7155218B2 (en)

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CN202111140297.8A CN114300873B (en) 2020-10-07 2021-09-28 Crimping structure, terminal-equipped electric wire, and method for manufacturing terminal-equipped electric wire
US17/489,699 US11735836B2 (en) 2020-10-07 2021-09-29 Pressure-welding structure, terminal-attached electric wire, and manufacturing method for terminal-attached electric wire
DE102021125930.4A DE102021125930A1 (en) 2020-10-07 2021-10-06 Pressure-welded structure, terminal-joined electric wire, and terminal-joined electric wire manufacturing method

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JP2000106225A (en) * 1998-09-28 2000-04-11 Harness Syst Tech Res Ltd Pressure contact terminal
JP2002208451A (en) * 2001-01-10 2002-07-26 Sumitomo Wiring Syst Ltd Crimp terminal
JP2003045510A (en) * 2001-07-31 2003-02-14 Auto Network Gijutsu Kenkyusho:Kk Pressure welded terminal
JP2005168176A (en) * 2003-12-02 2005-06-23 Sumitomo Wiring Syst Ltd Electric connection box for automobile
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JP2013182727A (en) * 2012-02-29 2013-09-12 Yazaki Corp Terminal fitting
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JPS62500621A (en) * 1984-10-17 1987-03-12 アンプ・インコ−ポレ−テッド Selective solder slot type termination methods and products
JPH0423057U (en) * 1990-06-15 1992-02-25
JP2000106225A (en) * 1998-09-28 2000-04-11 Harness Syst Tech Res Ltd Pressure contact terminal
JP2002208451A (en) * 2001-01-10 2002-07-26 Sumitomo Wiring Syst Ltd Crimp terminal
JP2003045510A (en) * 2001-07-31 2003-02-14 Auto Network Gijutsu Kenkyusho:Kk Pressure welded terminal
JP2005168176A (en) * 2003-12-02 2005-06-23 Sumitomo Wiring Syst Ltd Electric connection box for automobile
JP2014229458A (en) * 2013-05-22 2014-12-08 第一精工株式会社 Cable connection method

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US11735836B2 (en) 2023-08-22
CN114300873A (en) 2022-04-08

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